praks (praks01)

Race #1890

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Official speed 59.81 wpm (56.78 seconds elapsed during race)
Race Start April 9, 2019 8:35:08am UTC
Race Finish April 9, 2019 8:36:05am UTC
Outcome No win (4 of 4)
Opponents 1. henville12 (104.19 wpm)
3. imtiaz123 (80.71 wpm)
Accuracy 95.0%
Points 44.86
Text #4060102 (Length: 283 characters)

Transformers and most electric motors operate on alternating current. In such devices the flux in the iron changes continuously both in value and direction. The magnetic domains are therefore oriented first in one direction, then the other, at a rate that depends upon the frequency.